THICKNESS

Zirfon 500μm vs IONZERA 350μm

Name: IONZERA Gas Separator Membrane
Brand: IONZERA
Availability: InStock
Rating: 4.8 (12 reviews)

20-30% thinner without compromising strength or gas barrier performance. Explore how IONZERA's thinner profile benefits electrolyser stack design.

Side-by-Side Comparison

IONZERA

Next-Generation

Area Resistance

0.09-0.1 Ω·cm²

Thickness

350-410 μm

Pore Size

0.38-0.42 μm

Reinforcement

Mesh-free

Ceramic Phase

TiO₂ + GO

Origin

India

~3x lower

20-30% thinner

Optimized flow

No expensive fabric

Enhanced function

Shorter supply chain

Zirfon

Conventional

Area Resistance

0.30 Ω·cm²

Thickness

500 ± 50 μm

Pore Size

~0.15 μm

Reinforcement

PPS mesh

Ceramic Phase

ZrO₂

Origin

Belgium

Area Resistance: ~3x lowerThickness: 20-30% thinnerPore Size: Optimized flowReinforcement: No expensive fabricCeramic Phase: Enhanced functionOrigin: Shorter supply chain

Why Membrane Thickness Matters

In alkaline water electrolysis, membrane thickness directly affects three critical parameters: area resistance (ionic pathway length), stack compactness (cells per stack), and mechanical handling (ease of assembly). The ideal membrane is as thin as possible while maintaining adequate mechanical strength and gas barrier properties.

Zirfon PERL UTP 500 - as the name implies - has a nominal thickness of 500 ± 50 μm. IONZERA achieves 350-410 μm, a 20-30% reduction that brings meaningful advantages.

Stack Design Benefits of Thinner Membranes

A thinner membrane contributes to more compact electrolyser stack designs in several ways:

Shorter inter-electrode gap, reduced overall cell thickness means more cells per stack length
Lower stack weight, less membrane material and shorter flow frames reduce total stack mass
Reduced material usage, less polymer and ceramic filler per unit of active membrane area
Better thermal management, thinner membranes transfer heat more efficiently

Thinner AND Stronger

A common concern with thinner membranes is mechanical integrity. IONZERA addresses this decisively - at 350-410 μm, it achieves a tensile strength of 2.7 MPa, compared to approximately 2.0 MPa for Zirfon's thicker 500 μm profile.

This is possible because IONZERA's mesh-free PSU-TiO₂-GO nanocomposite structure is inherently strong. The polymer matrix (polysulfone) provides excellent mechanical properties without needing a separate PPS mesh reinforcement layer.

Thickness and Area Resistance

Thickness and area resistance are intrinsically linked - a thinner membrane means a shorter path for hydroxide ions to travel. IONZERA's 350-410 μm vs Zirfon's 500 μm contributes to its dramatically lower area resistance (0.09-0.1 vs 0.30 Ω·cm²), though the optimized pore structure and GO nanosheets also play significant roles.

Design Flexibility for OEMs

For electrolyser OEMs designing next-generation stacks, IONZERA's thinner profile opens up design possibilities that aren't feasible with a 500 μm separator. Whether you're optimizing for power density, weight reduction, or cost per MW - a thinner, higher-performance membrane is a fundamental enabler.